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idocrase

American  
[ahy-duh-kreys, id-uh-] / ˈaɪ dəˌkreɪs, ˈɪd ə- /

noun

Mineralogy.

  1. vesuvianite.

idocrase British  
/ ˈaɪdəˌkreɪs, ˈɪd- /

noun

  1. another name for vesuvianite

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of idocrase

1795–1805; < French < Greek eîdo ( s ) form + krâsis mixture

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

A banded and mottled calc-silicate hornfels occurring with the limestone at Iyerry Falls, W. N.W. of Braemar, has yielded malacolite, wollastonite, brown idocrase, garnet, sphene and hornblende.

From The Project Gutenberg Encyclopedia Volume 1 of 28 by Project Gutenberg

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.